Asteroid deflection mission seeks smashing ideas
ESA is appealing for research ideas to help guide the development of a US-European asteroid deflection mission now under study.
Jan 15th, 2013
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Neon lights up exploding stars
An international team of nuclear astrophysicists has shed new light on the explosive stellar events known as novae. The team of scientists measured the nuclear structure of the radioactive neon produced through this process in unprecedented detail.
Jan 15th, 2013
Read moreAstronomers find massive supply of gas around modern galaxies
Galaxies have a voracious appetite for fuel - in this case, fresh gas - but astronomers have had difficulty finding the pristine gas that should be falling onto galaxies. Now, scientists have provided direct empirical evidence for these gas flows using new observations from the Hubble Space Telescope.
Jan 14th, 2013
Read moreDynamic, dark energy in an accelerating universe
If dark energy did not exist, the gravitational pull exerted by matter would slow down the expansion of the universe, but observations have concluded that the opposite is the case.Dark energy is what makes the universe expand in an accelerating way.
Jan 14th, 2013
Read moreStar Wars: What would hyperspace travel really look like?
The sight of the Millennium Falcon making the "jump to lightspeed" is one of the most iconic images from the Star Wars trilogy. But University of Leicester students have calculated that - in reality - Han, Luke and Leia would not see the light from stars stretching past the ship as we are shown in the movies.
Jan 14th, 2013
Read moreNearby dwarf galaxy and possible protogalaxy discovered
Peering deep into the dim edges of a distorted pinwheel galaxy in the constellation Ursa Major (the Great Bear), astronomers at Case Western Reserve University and their colleagues have discovered a faint dwarf galaxy and another possible young dwarf caught before it had a chance to form any stars.
Jan 11th, 2013
Read moreThe saline hiding places for bacteria in Rio Tinto could be like those on Mars
Researchers at the Centre of Astrobiology have identified microorganisms that live inside salt deposits in the acidic and ferrous environment of the Tinto River in Huelva, Spain. The extreme conditions of these microniches appear to be similar to those of the salt deposits on Mars and Jupiter's moon, Europa.
Jan 11th, 2013
Read moreNASA's GALEX reveals the largest-known spiral galaxy
The spectacular barred spiral galaxy NGC 6872 has ranked among the biggest stellar systems for decades. Now a team of astronomers from the United States, Chile and Brazil has crowned it the largest-known spiral, based on archival data from NASA's Galaxy Evolution Explorer (GALEX) mission.
Jan 11th, 2013
Read moreA jumble of exotic stars
A new infrared image from ESO's VISTA telescope shows the globular cluster 47 Tucanae in striking detail. This cluster contains millions of stars, and there are many nestled at its core that are exotic and display unusual properties.
Jan 10th, 2013
Read moreNASA researchers studying advanced nuclear rocket technologies
Advanced propulsion researchers at NASA are a step closer to solving the challenge of safely sending human explorers to Mars and other solar system destinations.
Jan 10th, 2013
Read moreChina no longer reliant on satellite image imports
China's first high-resolution, stereo mapping satellite Ziyuan III meets international standards, ridding the country of its reliance on imports of satellite images.
Jan 10th, 2013
Read moreLife possible on extrasolar moons
In their search for habitable worlds, astronomers have started to consider exomoons, or those likely orbiting planets outside the solar system. In a new study, a pair of researchers has found that exomoons are just as likely to support life as exoplanets.
Jan 10th, 2013
Read moreDark energy alternatives to Einstein are running out of room
Research by University of Arizona astronomy professor Rodger Thompson finds that a popular alternative to Albert Einstein's theory for the acceleration of the expansion of the universe does not fit newly obtained data on a fundamental constant, the proton to electron mass ratio.
Jan 9th, 2013
Read moreNext-generation adaptive optics brings remarkable details to light in stellar nursery
A new image released today reveals how Gemini Observatory's most advanced adaptive optics (AO) system will help astronomers study the universe with an unprecedented level of clarity and detail by removing distortions due to the Earth's atmosphere. The photo, featuring an area on the outskirts of the famous Orion Nebula, illustrates the instrument's significant advancements over previous-generation AO systems.
Jan 9th, 2013
Read moreThe farthest supernova yet for measuring cosmic history
Berkeley Lab-based Supernova Cosmology Project uses Hubble Space Telescope data to discover the most distant well-measured Type Ia supernova ever found.
Jan 9th, 2013
Read moreHubble reveals rogue planetary orbit for Fomalhaut b
Newly released Hubble Space Telescope images of a vast debris disk encircling the nearby star Fomalhaut, and of a mysterious planet circling it, may provide forensic evidence of a titanic planetary disruption in the system.
Jan 9th, 2013
Read moreFirst 'bone' of the Milky Way identified
Astronomers have identified a new structure in the Milky Way: a long tendril of dust and gas that they are calling a "bone".
Jan 9th, 2013
Read moreTesting Einstein's E=mc2 in outer space
UA physicist Andrei Lebed has stirred the physics community with an intriguing idea yet to be tested experimentally: The world's most iconic equation, Albert Einstein's E=mc2, may be correct or not depending on where you are in space.
Jan 9th, 2013
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